You set logging.pattern.console=%d{HH:mm:ss} %msg%n but the console logs still use the default format. What is the most probable reason?

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Spring Boot - Logging

You set logging.pattern.console=%d{HH:mm:ss} %msg%n but the console logs still use the default format. What is the most probable reason?

AThe logging framework is overridden by an external configuration file

BThe property key is misspelled

CSpring Boot does not support custom console patterns

DThe application needs a restart to apply changes

Step-by-Step Solution

Solution:

Step 1: Verify property correctness
The property logging.pattern.console is correct and supported.
Step 2: Consider external overrides
If an external logging config (like logback.xml) exists, it overrides Spring Boot properties.
Step 3: Restart is usually required but not the main cause
Restarting is necessary but won't help if external config overrides.
Final Answer:
The logging framework is overridden by an external configuration file -> Option A
Quick Check:
External config overrides Spring Boot properties [OK]

Quick Trick: External config files override Spring Boot logging properties [OK]

Common Mistakes:

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